Tamarindo in Summer
In summer (June, July and August), Tamarindo sees average daytime highs around 30°C and overnight lows near 24°C, with 788 mm of rain over about 75 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 3% of the time across summer, and the air most often feels oppressive.
Summer is Tamarindo's weakest season of the year to visit on our travel score. For the whole year in context, see Tamarindo's year-round climate.
- Avg daytime high
- 30°C
- 3rd-warmest season
- Avg overnight low
- 24°C
- Rainfall
- 788 mm
- 75 wet days
- Avg wind
- 8 km/h
- Travel score
- 3.0
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Tamarindo in Summer
Across summer, daytime highs hold fairly steady around 30°C.
A typical summer day in Tamarindo reaches about 30°C and drops to 24°C overnight. The warmest of the three months is July, the coolest August.
How summer really feels in Tamarindo
Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Tamarindo weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 32° / 24° | 2 | 0.5 | 11.5 | 5.3 |
| Feb | 33° / 24° | 3 | 0.5 | 11.7 | 4.8 |
| Mar | 33° / 24° | 5 | 1.4 | 11.9 | 4.2 |
| Apr | 34° / 25° | 40 | 8.4 | 12.2 | 3.3 |
| May | 32° / 25° | 243 | 22.9 | 12.5 | 2.8 |
| Jun | 30° / 25° | 298 | 26.5 | 12.6 | 2.8 |
| Jul | 30° / 24° | 206 | 22.8 | 12.5 | 3.2 |
| Aug | 30° / 24° | 284 | 25.8 | 12.3 | 3.0 |
| Sep | 30° / 24° | 340 | 28.9 | 12.1 | 2.7 |
| Oct | 29° / 24° | 371 | 27.7 | 11.8 | 3.1 |
| Nov | 30° / 24° | 130 | 14.5 | 11.5 | 4.5 |
| Dec | 31° / 24° | 14 | 2.6 | 11.4 | 5.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 3% of the time across summer.
Chance of precipitation in Summer
Tamarindo gets around 788 mm of rain over 75 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 8 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 36 min in early June to 12 h 12 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 4.9 kWh/m².
Hazard calendar for Tamarindo
In summer, Tamarindo overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Tamarindo's monsoon runs May–October, when most of the year's rain falls.
Is summer a good time to visit Tamarindo?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Tamarindo.
What to pack for Tamarindo in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Tamarindo sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 75 days see rain.
Sea temperature near Tamarindo in Summer
The nearest coast averages about 29°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in May at about 29°C and coldest in February near 28°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 |
| Comfort | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Warm |
| Mar | 28 | Tropical |
| Apr | 29 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 28 | Tropical |
| Nov | 28 | Warm |
| Dec | 28 | Warm |
UV index in Tamarindo in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Tamarindo peaks around March 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 9 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 11 | 13 | 13 | 13 | 12 | 13 | 12 | 12 | 12 | 11 | 10 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 13 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 10 | Extreme |
| Dec | 9 | Very high |
Air quality in Tamarindo in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Tamarindo is worst in July — around 20 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (December, 6 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 7 | 9 | 11 | 19 | 19 | 16 | 20 | 16 | 12 | 9 | 7 | 6 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 9 | Good |
| Mar | 11 | Good |
| Apr | 19 | Moderate |
| May | 19 | Moderate |
| Jun | 16 | Moderate |
| Jul | 20 | Moderate |
| Aug | 16 | Moderate |
| Sep | 12 | Good |
| Oct | 9 | Good |
| Nov | 7 | Good |
| Dec | 6 | Good |
Where is Tamarindo?
Tamarindo sits at 10.3°N, 85.8°W, 0 m above sea level, in Costa Rica. The nearest listed city is Nicoya, 46 km away.
Topography around Tamarindo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tamarindo.
Within 3 km, the terrain around Tamarindo has only modest variations in elevation — a maximum elevation change of 154 m around an average of 19 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 491 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,872 m.
The land around Tamarindo is covered by water (43%) and trees (41%) within 3 km, water (53%) and trees (36%) within 16 km, and water (49%) and trees (34%) within 80 km.
Costa Rica travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 59% of US
- price level, 2025
- GDP per capita
- $19,970
- 2025
- Happiness
- 7.4 / 10
- World Happiness, 2025
- Safe drinking water
- 81%
- of population, 2024
- Homicide rate
- 17.7
- per 100k, 2023
- Road deaths
- 14.8
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 516
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Tamarindo (10.2991°, -85.8411°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.